CVE-2024-41034 (GCVE-0-2024-41034)

Vulnerability from cvelistv5 – Published: 2024-07-29 14:31 – Updated: 2026-08-05 11:34
VLAI
Title
nilfs2: fix kernel bug on rename operation of broken directory
Summary
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel bug on rename operation of broken directory Syzbot reported that in rename directory operation on broken directory on nilfs2, __block_write_begin_int() called to prepare block write may fail BUG_ON check for access exceeding the folio/page size. This is because nilfs_dotdot(), which gets parent directory reference entry ("..") of the directory to be moved or renamed, does not check consistency enough, and may return location exceeding folio/page size for broken directories. Fix this issue by checking required directory entries ("." and "..") in the first chunk of the directory in nilfs_dotdot().
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 2ba466d74ed74f073257f86e61519cb8f8f46184 , < ff9767ba2cb949701e45e6e4287f8af82986b703 (git)
Affected: 2ba466d74ed74f073257f86e61519cb8f8f46184 , < 24c1c8566a9b6be51f5347be2ea76e25fc82b11e (git)
Affected: 2ba466d74ed74f073257f86e61519cb8f8f46184 , < a9a466a69b85059b341239766a10efdd3ee68a4b (git)
Affected: 2ba466d74ed74f073257f86e61519cb8f8f46184 , < 7000b438dda9d0f41a956fc9bffed92d2eb6be0d (git)
Affected: 2ba466d74ed74f073257f86e61519cb8f8f46184 , < 1a8879c0771a68d70ee2e5e66eea34207e8c6231 (git)
Affected: 2ba466d74ed74f073257f86e61519cb8f8f46184 , < 60f61514374e4a0c3b65b08c6024dd7e26150bfd (git)
Affected: 2ba466d74ed74f073257f86e61519cb8f8f46184 , < 298cd810d7fb687c90a14d8f9fd1b8719a7cb8a5 (git)
Affected: 2ba466d74ed74f073257f86e61519cb8f8f46184 , < a9e1ddc09ca55746079cc479aa3eb6411f0d99d4 (git)
Create a notification for this product.
Linux Linux Affected: 2.6.30
Unaffected: 0 , < 2.6.30 (semver)
Unaffected: 4.19.318 , ≤ 4.19.* (semver)
Unaffected: 5.4.280 , ≤ 5.4.* (semver)
Unaffected: 5.10.222 , ≤ 5.10.* (semver)
Unaffected: 5.15.163 , ≤ 5.15.* (semver)
Unaffected: 6.1.100 , ≤ 6.1.* (semver)
Unaffected: 6.6.41 , ≤ 6.6.* (semver)
Unaffected: 6.9.10 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-41034\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-29T15:15:11.990\",\"lastModified\":\"2026-08-04T11:19:20.437\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnilfs2: fix kernel bug on rename operation of broken directory\\n\\nSyzbot reported that in rename directory operation on broken directory on\\nnilfs2, __block_write_begin_int() called to prepare block write may fail\\nBUG_ON check for access exceeding the folio/page size.\\n\\nThis is because nilfs_dotdot(), which gets parent directory reference\\nentry (\\\"..\\\") of the directory to be moved or renamed, does not check\\nconsistency enough, and may return location exceeding folio/page size for\\nbroken directories.\\n\\nFix this issue by checking required directory entries (\\\".\\\" and \\\"..\\\") in\\nthe first chunk of the directory in nilfs_dotdot().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: nilfs2: corrige el error del kernel en la operaci\u00f3n de cambio de nombre de un directorio roto Syzbot inform\u00f3 que en la operaci\u00f3n de cambio de nombre de directorio en un directorio roto en nilfs2, __block_write_begin_int() llamado para preparar la escritura en bloque puede fallar en la verificaci\u00f3n BUG_ON de acceso exceder el tama\u00f1o del folio/p\u00e1gina. Esto se debe a que nilfs_dotdot(), que obtiene la entrada de referencia del directorio principal (\\\"..\\\") del directorio que se va a mover o cambiar de nombre, no verifica la coherencia lo suficiente y puede devolver una ubicaci\u00f3n que exceda el tama\u00f1o de folio/p\u00e1gina para directorios rotos. Solucione este problema verificando las entradas de directorio requeridas (\\\".\\\" y \\\"..\\\") en el primer fragmento del directorio en 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T18:38:14+00:00",
      "cve": "CVE-2024-41034",
      "id": "CVE-2024-41034",
      "initial_release_date": "2024-07-29T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: nilfs2: fix kernel bug on rename operation of broken directory",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-41034.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-25T01:44:27Z",
      "cve": "CVE-2024-41034",
      "id": "CVE-2024-41034",
      "initial_release_date": "2024-08-06T02:02:00Z",
      "product_status:known_not_affected": "217",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-41034",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-41034.json",
      "version": "18"
    },
    "vulnrichment": {
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may fail\\nBUG_ON check for access exceeding the folio/page size.\\n\\nThis is because nilfs_dotdot(), which gets parent directory reference\\nentry (\\\"..\\\") of the directory to be moved or renamed, does not check\\nconsistency enough, and may return location exceeding folio/page size for\\nbroken directories.\\n\\nFix this issue by checking required directory entries (\\\".\\\" and \\\"..\\\") in\\nthe first chunk of the directory in nilfs_dotdot().\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T09:10:30.440Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-41034\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-19T09:10:30.440Z\", \"dateReserved\": \"2024-07-12T12:17:45.619Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-07-29T14:31:49.043Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.